Right Triangles and Trigonometry: Ratios of Right Triangles

TutorialExample: Sine, Cosine and Tangent of 60° and 45°

Let’s work through an example of sine, cosine and tangent of 60° and 45°. Select the play button to begin the example, and then use the solve button to view the solution and use the navigation buttons to pause/stop the example. View the presentation as often as you would like, and take notes as you follow along.  Be sure to set your volume at a reasonable level before you begin.

Download the example as a PDF.